Regular expressions like it's still 1998. If I may: 
use warnings;
use strict;
use Regexp::Grammars;
use Data::Dumper;

my $data = join "", <DATA>;
my $matcher = qr{
        <debug: off>
        <nocontext:>
        
        ^
        <Module>
        <[Commands]>+        
        <EndModule>
        $

        <token: Module> 
            module \s <Name> \s <BracketedNodes>; \n
        
        <token: EndModule>
            endmodule \n?
            
        <token: Commands> 
            ( <Input>|<Output>|<Wire>|<Nand> );\n
            
        <token: Nand>
            nand \s <Name> \s <BracketedNodes>  
        
        <token: Input>
            input \s <Nodes>
        
        <token: Output>
            output \s <Nodes>
        
        <token: Wire>
            wire \s <Nodes>
        
        <token: Name>
            [\p{L}\d_]+
            
        <token: Node>
            N\d+
        
        <token: Nodes>
            <[Node]>+ % ,

        <token: BracketedNodes>
            \(<Nodes>\)
};

if ( $data =~ $matcher )
{
    print Dumper \%/; #/
}
else
{
    print "NO MATCH";
}

            
__DATA__
module circuit_17 (N1,N2,N3,N6,N7,N22,N23);
input N1,N2,N3,N6,N7;
output N22,N23;
wire N10,N11,N16,N19;
nand nand2_1 (N10,N1,N3);
nand nand2_2 (N11,N3,N6);
nand nand2_3 (N16,N11,N2);
nand nand2_4 (N19,N11,N7);
nand nand2_5 (N22,N10,N16);
nand nand2_6 (N23,N16,N19);
endmodule

[download]
Yields 
$VAR1 = {
          'Module' => {
                        'BracketedNodes' => {
                                              'Nodes' => {
                                                           'Node' => [
                                                                      
+ 'N1',
                                                                      
+ 'N2',
                                                                      
+ 'N3',
                                                                      
+ 'N6',
                                                                      
+ 'N7',
                                                                      
+ 'N22',
                                                                      
+ 'N23'
                                                                     ]
                                                         }
                                            },
                        'Name' => 'circuit_17'
                      },
          'Commands' => [
                          {
                            'Input' => {
                                         'Nodes' => {
                                                      'Node' => [
                                                                  'N1'
+,
                                                                  'N2'
+,
                                                                  'N3'
+,
                                                                  'N6'
+,
                                                                  'N7'
                                                                ]
                                                    }
                                       }
                          },
                          {
                            'Output' => {
                                          'Nodes' => {
                                                       'Node' => [
                                                                   'N2
+2',
                                                                   'N2
+3'
                                                                 ]
                                                     }
                                        }
                          },
                          {
                            'Wire' => {
                                        'Nodes' => {
                                                     'Node' => [
                                                                 'N10'
+,
                                                                 'N11'
+,
                                                                 'N16'
+,
                                                                 'N19'
                                                               ]
                                                   }
                                      }
                          },
                          {
                            'Nand' => {
                                        'BracketedNodes' => {
                                                              'Nodes' 
+=> {
                                                                      
+     'Node' => [
                                                                      
+                 'N10',
                                                                      
+                 'N1',
                                                                      
+                 'N3'
                                                                      
+               ]
                                                                      
+   }
                                                            },
                                        'Name' => 'nand2_1'
                                      }
                          },
                          {
                            'Nand' => {
                                        'Name' => 'nand2_2',
                                        'BracketedNodes' => {
                                                              'Nodes' 
+=> {
                                                                      
+     'Node' => [
                                                                      
+                 'N11',
                                                                      
+                 'N3',
                                                                      
+                 'N6'
                                                                      
+               ]
                                                                      
+   }
                                                            }
                                      }
                          },
                          {
                            'Nand' => {
                                        'Name' => 'nand2_3',
                                        'BracketedNodes' => {
                                                              'Nodes' 
+=> {
                                                                      
+     'Node' => [
                                                                      
+                 'N16',
                                                                      
+                 'N11',
                                                                      
+                 'N2'
                                                                      
+               ]
                                                                      
+   }
                                                            }
                                      }
                          },
                          {
                            'Nand' => {
                                        'Name' => 'nand2_4',
                                        'BracketedNodes' => {
                                                              'Nodes' 
+=> {
                                                                      
+     'Node' => [
                                                                      
+                 'N19',
                                                                      
+                 'N11',
                                                                      
+                 'N7'
                                                                      
+               ]
                                                                      
+   }
                                                            }
                                      }
                          },
                          {
                            'Nand' => {
                                        'BracketedNodes' => {
                                                              'Nodes' 
+=> {
                                                                      
+     'Node' => [
                                                                      
+                 'N22',
                                                                      
+                 'N10',
                                                                      
+                 'N16'
                                                                      
+               ]
                                                                      
+   }
                                                            },
                                        'Name' => 'nand2_5'
                                      }
                          },
                          {
                            'Nand' => {
                                        'Name' => 'nand2_6',
                                        'BracketedNodes' => {
                                                              'Nodes' 
+=> {
                                                                      
+     'Node' => [
                                                                      
+                 'N23',
                                                                      
+                 'N16',
                                                                      
+                 'N19'
                                                                      
+               ]
                                                                      
+   }
                                                            }
                                      }
                          }
                        ],
          'EndModule' => 'endmodule'
        };

[download]
Now for sanity checking you can inspect the result hash, but malformed data will simply not match the regex. If you want useful error messages you can add callbacks to the grammar.


holli

You can lead your users to water, but alas, you cannot drown them.

In reply to Re: Store data into array by looping? by holli
in thread Store data into array by looping? by ameezys

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